345541439 has 4 divisors (see below), whose sum is σ = 365867424. Its totient is φ = 325215456.

The previous prime is 345541423. The next prime is 345541447. The reversal of 345541439 is 934145543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345541439 - 2⁴ = 345541423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345541459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10162967 + ... + 10163000.

It is an arithmetic number, because the mean of its divisors is an integer number (91466856).

Almost surely, 2^345541439 is an apocalyptic number.

345541439 is a deficient number, since it is larger than the sum of its proper divisors (20325985).

345541439 is a wasteful number, since it uses less digits than its factorization.

345541439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20325984.

The product of its digits is 129600, while the sum is 38.

The square root of 345541439 is about 18588.7449549452. The cubic root of 345541439 is about 701.7246175703.

The spelling of 345541439 in words is "three hundred forty-five million, five hundred forty-one thousand, four hundred thirty-nine".